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Lateral Drift Control and Resizing Technique for Tall Buildings using Lateral-Stiffness Influence Matrix  

이한주 (청주대학교 산업과학연구소 전임연구원)
김치경 (선문대학교 건설공학부)
김호수 (청주대학교 건축공학부)
Publication Information
Journal of the Computational Structural Engineering Institute of Korea / v.15, no.2, 2002 , pp. 271-279 More about this Journal
Abstract
This study develops the module to find the lateral stiffness influence matrix of each story and performs the displacement sensitivity analysis by virtual load method for the efficiency of optimal design using lateral stiffness influence matrix. Also, resizing technique based on the estimated lateral stiffness increment factors is developed to apply directly the results of optimal design. To this end, resizing technique is divided into the continuous and discrete section design methods. And then the relationships between section properties and section size are established. Specifically, an initial design under strength constraints is first performed, and then the lateral load resistant system is designed to control lateral displacements yet exceeding the drift criteria. Two types of 45-story three dimensional structures we presented to illustrate the features of the lateral drift control and resizing technique for tall buildings proposed in this study.
Keywords
lateral load resistant system; lateral drift control; lateral stiffness influence matrix; sensitivity analysis; resizing technique;
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